How well would modern society handle the dinosaur killing meteor if it happened today?

[DSeid]

Are we?

New Model Predicts Fallout from Big Meteorite Strike

The new study showed that the seismic waves resulting from the impact would have been scattered and unfocused, causing less severe ground displacement, tsunamis, and seismic and volcanic activity than previously thought.

Linked to before. With the other study a model that demonstrated that it hit at a worst possible angle.